《大学英语IV》课程教学课件（PPT讲稿）Unit 12 Light Pollution - Is There a Solution？（思政版）

Unit 12

Unit 12

Light Pollution: Is There aSolution?

Light Pollution: Is There a Solution?

光污染预警onWLight Pollution

Para.1 Look at the sky at night and what do you see?②Notmuchmostprobably Even in the countryside the stars are becomingharder to spot, with the sky glow caused by lightpollution nowvisibleforupto50miles (80km)

① Look at the sky at night and what do you see? ② Not much most probably. ③ Even in the countryside the stars are becoming harder to spot, with the sky glow caused by light pollution now visible for up to 50 miles (80km). Para. 1

Para.1@Onlyone1Othof thecountry now enjoys atruly darksky,saystheCampaign toProtectRural England(CPRE), whichcarries out anannual star countInthe1950smostof us wouldhavebeenableto seetheMilkyWay

④ Only one 10th of the country now enjoys a truly dark sky, says the Campaign to Protect Rural England (CPRE), which carries out an annual star count. ⑤ In the 1950s most of us would have been able to see the Milky Way. Para. 1

Para.1 Look at the sky at night and what do you see? Notmuchmost probably.Even inthe countryside thestarsare becoming harder to spot,with the sky glow causedbylight pollutionnowvisibleforupto50miles(80km)Only one 1Oth of the country nowenjoys a truly dark skysays theCampaign toProtect Rural England (CPRE)which carries out an annual starcount.Inthe1950smostof us would havebeenableto seethe Milky Way

Look at the sky at night and what do you see? Not much most probably. Even in the countryside the stars are becoming harder to spot, with the sky glow caused by light pollution now visible for up to 50 miles (80km). Only one 10th of the country now enjoys a truly dark sky, says the Campaign to Protect Rural England (CPRE), which carries out an annual star count. In the 1950s most of us would have been able to see the Milky Way. Para. 1

Para.2Becauselight at nighthas brought indisputablebenefits, its use has expanded to the point where it is“inescapable",said aRoyal Commission onEnvironmentPollution(RCEP)intoartificial lightandthe environment②We are losing arguably the most culturally universeand historically pristine of all natural vistas,it warned

① Because light at night has brought indisputable benefits, its use has expanded to the point where it is “inescapable”, said a Royal Commission on Environment Pollution (RCEP) into artificial light and the environment. ② “We are losing arguably the most culturally universe and historically pristine of all natural vistas,” it warned. Para. 2

Para.2尚Because light at night has brought disputablebenefits,its use has expanded to the point where it is“"inescapablesaid aRoyal Commission onEnvironmentPollution (RCEP)into artificial light andthe environmentWe arelosing arguablythemost culturallyuniverse andhistorically pristine of all natural vistas,it warned

Because light at night has brought disputable benefits, its use has expanded to the point where it is “inescapable”, said a Royal Commission on Environment Pollution (RCEP) into artificial light and the environment. “We are losing arguably the most culturally universe and historically pristine of all natural vistas,” it warned. Para. 2

Para.3To highlight the impact of light pollution onstargazing,the entire population of Dulverton inSomerset is being asked to switch off their lights onWednesday evening to show the contrast, as part ofBBCTwo's Stargazing Live

To highlight the impact of light pollution on stargazing, the entire population of Dulverton in Somerset is being asked to switch off their lights on Wednesday evening to show the contrast, as part of BBC Two's Stargazing Live. Para. 3

Para.3 To highlight the impact of light pollution onstargazing,the entire population ofDulverton inSomerset is being asked to switch off their lights onWednesday evening toshow the contrast, as part of BBCTwo's Stargazing Live

To highlight the impact of light pollution on stargazing, the entire population of Dulverton in Somerset is being asked to switch off their lights on Wednesday evening to show the contrast, as part of BBC Two's Stargazing Live. Para. 3